Beet tops are somewhat like spinach .

甜菜 叶 子有点像菠菜。

The experimental results showed that the root yield of sugar beet were slowly increased while increasing the nitrogen amounts the leaves and tops yield and the T / R ratio were obviously increased with increasing the nitrogen amounts ;

试验结果表明，随着施氮量的增加， 甜菜根产量的增加趋势是平缓的，当施氮量达到 150kg/hm2，根产量不再增加；